Vortex 225CZB-51 Aluminum Rear Sprocket 520 Pitch 51 Tooth

The Vortex 225CZB-51 is a high-performance aluminum rear sprocket designed for serious riders seeking weight savings and durability. Featuring 51 teeth with a 520 chain pitch, this sprocket is precision CNC-machined in the USA from specially formulated aluminum alloy to Vortex's exacting specifications.

Key Features:

• 51-tooth configuration with 520 chain pitch for optimal gearing
• 100% CNC-machined aluminum construction for precision concentricity
• Vortex patented tooth design increases sprocket longevity and performance
• Lightweight design reduces rotating mass for improved acceleration
• Lightening holes strategically placed to minimize weight without sacrificing strength
• Manufactured from specially formulated aluminum alloy per Vortex specifications
• Precise tolerances ensure proper fitment and extended chain life

Vortex Racing sprockets are the choice of professional race teams worldwide, offering the perfect balance of strength, weight, and durability. Each sprocket is manufactured to the tightest tolerances using premium materials, ensuring reliable performance whether on the street or track.